TDK-Lambda Embedded Switch Mode Power Supply SMPS, 12V dc, 25A, 300W Enclosed
- RS Stock No.:
- 8139119
- Mfr. Prt No.:
- RWS300B-12
- Brand:
- TDK-Lambda
Technical Reference
Legislation and Compliance
RoHS Certificate of Compliance
EU Directives 2011/65/EU and 2015/863 restrict the use of the 10 substances below in the manufacture of specified types of electrical equipment.
Whilst this restriction does not legally apply to components, it is recognised that component “compliance” is relevant to many customers.
RS definition of RoHS Compliance:
- The product does not contain any of the restricted substances in concentrations and applications banned by the Directive,
- and for components, the product is capable of being worked on at the higher temperatures required by lead–free soldering
The restricted substances and maximum allowed concentrations in the homogenous material are, by weight:
| Substance | Concentration |
| Lead | 0.1% |
| Mercury | 0.1% |
| PBB (Polybrominated Biphenyls) | 0.1% |
| PBDE ( Polybrominated Diphenyl Ethers) | 0.1% |
| Hexavalent Chromium | 0.1% |
| Cadmium | 0.01% |
| DEHP (Bis (2-Ethylhexl) phthalate) | 0.1% |
| BBP (Benzyl butyl phthalate) | 0.1% |
| DBP (Dibutyl phthalate) | 0.1% |
| DIBP (Diisobutyl phthalate) | 0.1% |
The supplier of the item listed below has informed RS Components that the product is "RoHS Compliant".
RS Components has taken all reasonable steps to confirm this statement. Information relates only to products sold on or after the date of this certificate.
| RS stock number | 8139119 |
| Product description | TDK-Lambda Embedded Switch Mode Power Supply SMPS, 12V dc, 25A, 300W Enclosed |
| Manufacturer / Brand | TDK-Lambda |
| Manufacturer part number | RWS300B-12 |
RS Components Ltd, Birchington Road, Corby, Northants, NN17 9RS, UK
Statement of Conformity
This statement confirms that the product detailed below complies with the specifications currently published in the RS media and has been subject to the strict quality conditions imposed by RS Components’ internal management systems. Furthermore and where applicable, it confirms that all relevant semiconductor devices have been handled and packed under conditions that meet the administrative and technical requirements of ANSI/ESD S20.20 and EN61340-5-1 electrostatics control standards.
| RS stock number | 8139119 |
| Product description | TDK-Lambda Embedded Switch Mode Power Supply SMPS, 12V dc, 25A, 300W Enclosed |
| Manufacturer / Brand | TDK-Lambda |
| Manufacturer part number | RWS300B-12 |
The foregoing information relates to product sold on, or after, the date shown below.
RS COMPONENTS
| Date | Nov 22, 2024 |
RS Components Pte Ltd Robinson Road, P.O. Box 1582, Singapore 903132
Country of Origin: MY
Product Details
50W to 600W Single Output Industrial Power Supplies RWS Series
The TDK-Lambda RWS-B series of AC-DC power supplies comprises four models rated from 50 to 600 watts, featuring simple function design, compact dimensions, and high efficiency. The RWS-B series of switch mode power supplies is positioned as a mid-range product with simple functionality. The RWS-B series come in a simplified, compact, highly efficient power supply package. Improved efficiency at low loads and power consumption during stand-by contribute to reduce the environmental impact. The RWS-B power supplies offer outstanding thermal performance for cooler operation over their operating temperature range of -10 to +70°C; the RWS100B and RWS150B models are convection cooled, whereas the higher power models incorporate an internal cooling fan. These enclosed AC-DC power supplies operate from a universal input of 85-265Vac to meet a wide range of applications, including industrial, test & measurements, broadcast, communication and LED signage.
APPROVALS : UL/CSA/EN60950-1, CE
Low Profile
High efficiency
Universal Input range
Screw terminal connection
Level B EMI
Specifications
| Attribute | Value |
| Brand | TDK-Lambda |
| Mounting Type | Chassis Mount |
| Width | 102 mm |
| Depth | 170 mm |
| Minimum Temperature | -10 °C |
| Input Voltage | 120 → 370 V dc, 85 → 265 V ac |
| Efficiency | 79 %, 82 % |
| Weight | 900 g |
| Output Voltage | 12 V dc |
| Output Current | 25 A |
| Number of Outputs | 1 |
| Package Type | Enclosed |
| Maximum Temperature | +70 °C |
| Length | 41 mm |
| Power Rating | 300 W |
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